Double Roller Pillow Block Bearing DPB-48-OPN-S for a 3" Shaft, ScrapersDouble Roller Pillow Block Bearing (DPB) with scrapers for a 3" Diameter Shaft, which has two sets of 3 opposing roller bearings while maintaining the standard size open bearing profile of a Single Roller Pillow Block (SPB); thus the term "Double." By contrast, a Twin Roller Pillow Block (TWN) also has two sets of 3 opposing roller bearings, but the TWN blocks are double sized as if they were two SPBs fused together. Double the load capacity of a